diff --git a/scripts/admin-test-env-modules/phase4-overseas-pda-contract.test.mjs b/scripts/admin-test-env-modules/phase4-overseas-pda-contract.test.mjs
index fee612bc2..0b6799f4d 100644
--- a/scripts/admin-test-env-modules/phase4-overseas-pda-contract.test.mjs
+++ b/scripts/admin-test-env-modules/phase4-overseas-pda-contract.test.mjs
@@ -137,9 +137,10 @@ test('PDA module covers the container-number receiving contract and excludes out
   assert.match(source, /rememberGeneratedPlans\(context, plans\)/)
   assert.match(source, /resolveGeneratedPallet\(context, inbound\)/)
   assert.match(source, /generatedPalletsByInbound/)
-  assert.match(source, /standardFba = matrix\?\.byDestinationType\?\.FBA\?\.find/)
+  assert.match(source, /standardFbaProducers = \(matrix\?\.byDestinationType\?\.FBA \|\| \[\]\)/)
   assert.match(source, /item\?\.fulfillmentType !== 'ONE_CLICK_DROPSHIP'/)
-  assert.match(source, /const producers = \[dropship[\s\S]*?standardFba,/)
+  assert.match(source, /\.slice\(0, 2\)/)
+  assert.match(source, /const producers = \[dropship, \.\.\.standardFbaProducers,/)
   assert.doesNotMatch(source, /创建当前柜实收托盘|创建当前柜实收库位|async function createPallet/)
   assert.match(source, /retained as acceptance evidence/)
   assert.match(source, /preferredProducer\?\.cartonMarks\?\.length/)
diff --git a/scripts/admin-test-env-modules/phase4-overseas-pda.mjs b/scripts/admin-test-env-modules/phase4-overseas-pda.mjs
index 00e5cbf0f..7cf858e55 100644
--- a/scripts/admin-test-env-modules/phase4-overseas-pda.mjs
+++ b/scripts/admin-test-env-modules/phase4-overseas-pda.mjs
@@ -898,10 +898,13 @@ export async function run(context) {
     }
     const matrix = context.createdResources?.phase4InboundProducerFixtures
     const dropship = matrix?.containers?.find((item) => item?.fulfillmentType === 'ONE_CLICK_DROPSHIP')
-    const standardFba = matrix?.byDestinationType?.FBA?.find((item) => item?.fulfillmentType !== 'ONE_CLICK_DROPSHIP')
+    const standardFbaProducers = (matrix?.byDestinationType?.FBA || [])
+      .filter((item) => item?.fulfillmentType !== 'ONE_CLICK_DROPSHIP')
+      .slice(0, 2)
     // The sealed dropship pallet proves the indivisible handover. A separate standard FBA
-    // fixture supplies multiple cartons for reversible split/merge/unbind and relabel checks.
-    const producers = [dropship, standardFba,
+    // fixture supplies multiple cartons for reversible operations. The second standard FBA
+    // fixture remains available for the multi-destination dispatch and delivery split proof.
+    const producers = [dropship, ...standardFbaProducers,
       matrix?.byDestinationType?.OVERSEAS?.[0]]
       .filter(uniqueContainerProducer)
     const allProducers = Array.isArray(matrix?.containers) ? matrix.containers : producers